noun, plural -thers, (especially collectively
) -ther, adjective | 1. | the cougar or puma, Felis concolor. |
| 2. | the leopard, Panthera pardus. |
| 3. | any leopard in the black color phase. |
| 4. | Informal. a very fierce person. |
| 5. | (initial capital letter ) Military. a 43-ton (39 m ton) German tank of World War II with a 75mm gun as its main armament. |
| 6. | fierce; strong and violent. |

| a member of a militant black American organization Black Panther party active in the 1960s and early 1970s, formed to work for the advancement of the rights of blacks, often by radical means. |
) -gar. | a large, tawny cat, Felis concolor, of North and South America: now greatly reduced in number and endangered in some areas. |

| mountain lion n. Chiefly Western U.S. A large powerful wild cat (Felis concolor) of mountainous regions of the Western Hemisphere, having an unmarked tawny body. Also called catamount, mountain cat, panther, puma; also called regionally cougar, painter3. |
pan·ther (pān'thər) n.
[Middle English pantere, from Old French and from Old English panthera, both from Latin panthēra, from Greek panthēr.] |